<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.13"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>libfuse: example/ioctl.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td id="projectalign" style="padding-left: 0.5em;">
   <div id="projectname">libfuse
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.13 -->
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
$(function() {
  initMenu('',false,false,'search.php','Search');
});
</script>
<div id="main-nav"></div>
<div id="nav-path" class="navpath">
  <ul>
<li class="navelem"><a class="el" href="dir_cfafba98a580ce4b62f8a6fa96d7cbb0.html">example</a></li>  </ul>
</div>
</div><!-- top -->
<div class="header">
  <div class="headertitle">
<div class="title">ioctl.h</div>  </div>
</div><!--header-->
<div class="contents">
<a href="ioctl_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">  FUSE-ioctl: ioctl support for FUSE</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">  Copyright (C) 2008       SUSE Linux Products GmbH</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">  Copyright (C) 2008       Tejun Heo &lt;teheo@suse.de&gt;</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">  This program can be distributed under the terms of the GNU GPL.</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">  See the file COPYING.</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">*/</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &lt;sys/types.h&gt;</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;sys/uio.h&gt;</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;sys/ioctl.h&gt;</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keyword">enum</span> {</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;        FIOC_GET_SIZE   = _IOR(<span class="charliteral">&#39;E&#39;</span>, 0, <span class="keywordtype">size_t</span>),</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;        FIOC_SET_SIZE   = _IOW(<span class="charliteral">&#39;E&#39;</span>, 1, <span class="keywordtype">size_t</span>),</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        <span class="comment">/*</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment">         * The following two ioctls don&#39;t follow usual encoding rules</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment">         * and transfer variable amount of data.</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment">         */</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;        FIOC_READ       = _IO(<span class="charliteral">&#39;E&#39;</span>, 2),</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        FIOC_WRITE      = _IO(<span class="charliteral">&#39;E&#39;</span>, 3),</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;};</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="keyword">struct </span>fioc_rw_arg {</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        off_t           offset;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        <span class="keywordtype">void</span>            *buf;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        <span class="keywordtype">size_t</span>          size;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;        <span class="keywordtype">size_t</span>          prev_size;      <span class="comment">/* out param for previous total size */</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        <span class="keywordtype">size_t</span>          new_size;       <span class="comment">/* out param for new total size */</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;};</div></div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.13
</small></address>
</body>
</html>
